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The Gut Insiders

The Gut Insiders

Dr. Will Bulsiewicz

Health & Fitness

Better health begins in your gut. But medicine isn't "one size fits all," and your gut microbiome is as distinct as your fingerprint. Board-certified gastroenterologist and New York Times bestselling author Dr. Will Bulsiewicz is on a mission to help you feel better through cutting-edge science and two decades of clinical expertise that will make you think differently about the food you eat — and the trillions of hungry organisms living in your colon. Join Dr. B and co-host Chuck Carroll for gut-first discussions about diet, exercise, sleep, stress, trauma, and your health questions.

Episodes

05 Colon Cancer: The Disturbing Trend I See In My Patients

05 Colon Cancer: The Disturbing Trend I See In My Patients

Colon cancer is on the rise in younger American adults. 1 in 25 Americans (160,000) will be diagnosed this year, and it's become a leading cause of death in otherwise healthy, active people. So what's going on here? Dr. B and Chuck break down the science, and lay out 5 proven strategies that will dramatically reduce your risk. Videos discussed in this episode: 🍷 How Alcohol Affects Your Gut Lining: https://youtu.be/EEKqegd4lO4 🩺 What I've Learned From 9,000 Colonoscopies: https://youtu.be/-TFz9osQV8A Hosted by Chuck Carroll and Dr. Will Bulsiewicz Produced by Chuck Carroll & Matt Silverman Edited by Matt Silverman Dr. B's new book, "Plant Powered Plus," is available now: https://www.amazon.com/Plant-Powered-Plus-Activate-Inflammation/dp/B0FNDSR2C5 Subscribe to The Gut Insiders wherever you get your podcasts: 🍎 https://apple.co/4qqHK33 🟢 https://bit.ly/4q93399 Follow Dr. B on Instagram: https://www.instagram.com/theguthealthmd/ Learn more about the evidence-based gut health formulas in 38TERA: https://38tera.com
54min•Mar 16, 2026
Science Says Coffee Is Amazing For Your Health. Here's What It Does Inside Your Gut.

Science Says Coffee Is Amazing For Your Health. Here's What It Does Inside Your Gut.

Coffee is one of the most controversial topics in gut health. Some people swear it healed their digestion. Others say it destroyed it. And if you go looking for answers online, you'll find a doctor or an influencer to confirm whatever you already believe. Today I want to cut through the noise and show you what the science actually says — who should be drinking coffee, who should probably avoid it, and what your morning cup of bean juice is really doing inside your colon. The answer isn't as simple as 'coffee is good' or 'coffee is bad.' It's more interesting than that. Learn more about the importance of circadian rhythms and gut health in episode 03 of The Gut Insider's podcast: https://www.youtube.com/watch?v=nzgxsDeh4IM Dr. B's new book, "Plant Powered Plus," is available now: https://www.amazon.com/Plant-Powered-Plus-Activate-Inflammation/dp/B0FNDSR2C5 Subscribe to The Gut Insiders wherever you get your podcasts: 🍎 https://apple.co/4qqHK33 🟢 https://bit.ly/4q93399 Follow Dr. B on Instagram: https://www.instagram.com/theguthealthmd/ Learn more about the evidence-based gut health formulas in 38TERA: https://38tera.com
14min•Mar 9, 2026
04 Make These 4 Changes to Your Sleep Routine Right Now 🌙

04 Make These 4 Changes to Your Sleep Routine Right Now 🌙

We spend all day trying to be healthy — then undo it in the last two hours before bed. This week on The Gut Insiders, podcast Dr. B explains how nights can quietly sabotage gut healing, and what to do about it. Dr. B's new book, "Plant Powered Plus," is available now: https://www.amazon.com/Plant-Powered-Plus-Activate-Inflammation/dp/B0FNDSR2C5 Subscribe to The Gut Insiders wherever you get your podcasts: 🍎 https://apple.co/4qqHK33 🟢 https://bit.ly/4q93399 The Gut Insiders is hosted by Chuck Carroll and Dr. Will Bulsiewicz and produced by Matt Silverman. Follow Dr. B on Instagram: https://www.instagram.com/theguthealthmd/ Learn more about the evidence-based gut health formulas in 38TERA: https://38tera.com
57min•Mar 2, 2026
5 Ways to Protect Your Gut Microbiome From Chronic Stress

5 Ways to Protect Your Gut Microbiome From Chronic Stress

Stress doesn’t just live in your head. It shows up in your gut. That’s why during times of stress you might feel bloating, waves of cramps, diarrhea with urgency, clamming up constipation, or upper GI symptoms like nausea, indigestion, and reflux. These aren’t random. They are all real life manifestations of the brain-gut axis. Dr. B's new book, "Plant Powered Plus," is available now: https://www.amazon.com/Plant-Powered-Plus-Activate-Inflammation/dp/B0FNDSR2C5 Subscribe to The Gut Insiders wherever you get your podcasts: 🍎 https://apple.co/4qqHK33 🟢 https://bit.ly/4q93399 Follow Dr. B on Instagram: https://www.instagram.com/theguthealthmd/ Learn more about the evidence-based gut health formulas in 38TERA: https://38tera.com
15min•Mar 1, 2026
This Study Changed My Relationship With Alcohol Forever

This Study Changed My Relationship With Alcohol Forever

Most people think of alcohol as a liver issue. You drink. Your liver processes it. End of story. But that’s not the full picture. Even when you don’t feel drunk, sick, or hungover, alcohol may still alter your gut barrier and microbiome. Dr. B's new book, "Plant Powered Plus," is available now: https://www.amazon.com/Plant-Powered-Plus-Activate-Inflammation/dp/B0FNDSR2C5 Subscribe to The Gut Insiders wherever you get your podcasts: 🍎 https://apple.co/4qqHK33 🟢 https://bit.ly/4q93399 Follow Dr. B on Instagram: https://www.instagram.com/theguthealthmd/ Learn more about the evidence-based gut health formulas in 38TERA: https://38tera.com
14min•Feb 26, 2026
03 The Gut Clock ⏰ How Your Morning Routine Shapes Gut Health, Energy, and Inflammation

03 The Gut Clock ⏰ How Your Morning Routine Shapes Gut Health, Energy, and Inflammation

The first hour of your day programs your gut, your immune system, and your energy. Miss it, and you spend the rest of the day catching up. Today on The Gut Insiders, Dr. B shows you how to get it right. Subscribe to The Gut Insiders wherever you get your podcasts:🍎 https://apple.co/4qqHK33🟢 https://bit.ly/4q93399 Hosted by Chuck Carroll and Dr. Will Bulsiewicz Produced by Chuck Carroll & Matt Silverman Edited by Matt SilvermanFollow Dr. B on Instagram: https://www.instagram.com/theguthealthmd/Learn more about the evidence-based gut health formulas in 38TERA: https://38tera.com
54min•Feb 9, 2026
Why Fiber Makes You Bloated (and How to Fix It)

Why Fiber Makes You Bloated (and How to Fix It)

If you’ve ever tried to eat healthier, added more plants, more fiber, and ended up bloated, uncomfortable, or frustrated…this video is for you.Fiber is one of the most powerful tools we have for human health. But here’s the paradox:The thing that’s supposed to heal your gut is the thing that’s making you feel worse. And that leads a lot of people to give up on fiber altogether. That’s an understandable reaction — but it’s the wrong conclusion. Let's fix that!Find more great info here on The Gut Insiders podcast, "The Science of Farts" https://www.youtube.com/watch?v=QIlpJh_0ESYDr. B's new book, "Plant Powered Plus," is available now: https://www.amazon.com/Plant-Powered-Plus-Activate-Inflammation/dp/B0FNDSR2C5Subscribe to The Gut Insiders wherever you get your podcasts:🍎 https://apple.co/4qqHK33🟢 https://bit.ly/4q93399Follow Dr. B on Instagram: https://www.instagram.com/theguthealthmd/Learn more about the evidence-based gut health formulas in 38TERA: https://38tera.com
11min•Feb 2, 2026
4 Habits to Keep Your Gut Microbiome Strong When Taking Antibiotics

4 Habits to Keep Your Gut Microbiome Strong When Taking Antibiotics

Antibiotics are quite literally the greatest invention in the history of medicine. They’ve saved millions of lives. They turn deadly infections into manageable problems. But there’s something almost no one tells you.Even when antibiotics work exactly as intended, they leave a mark behind. Not on your medical chart — but inside your gut. This video is about smart planning around antibiotics.Dr. B's new book, "Plant Powered Plus," is available now: https://www.amazon.com/Plant-Powered-Plus-Activate-Inflammation/dp/B0FNDSR2C5Subscribe to The Gut Insiders wherever you get your podcasts:🍎 https://apple.co/4qqHK33🟢 https://bit.ly/4q93399Follow Dr. B on Instagram: https://www.instagram.com/theguthealthmd/Learn more about the evidence-based gut health formulas in 38TERA: https://38tera.com
15min•Jan 26, 2026
The Silent Disease Lurking In Young, Healthy People: What I've Learned After 9,000 Colonoscopies

The Silent Disease Lurking In Young, Healthy People: What I've Learned After 9,000 Colonoscopies

Between 2010 and 2022, during my years in gastroenterology fellowship and clinical practice, I personally performed nearly 9,000 colonoscopies. That’s 9,000 times looking directly at the inside of the human colon. 9,000 chances to notice patterns that most people never hear about. What I want to share today isn’t meant to scare you. It’s meant to inform you. And, ultimately, to empower you. Dr. B's new book, "Plant Powered Plus," is available now: https://www.amazon.com/Plant-Powered-Plus-Activate-Inflammation/dp/B0FNDSR2C5 Subscribe to The Gut Insiders wherever you get your podcasts: 🍎 https://apple.co/4qqHK33 🟢 https://bit.ly/4q93399 Follow Dr. B on Instagram: https://www.instagram.com/theguthealthmd/ Learn more about the evidence-based gut health formulas in 38TERA: https://38tera.com Peer reviewed studies cited in this video: ▶ https://acsjournals.onlinelibrary.wiley.com/doi/10.3322/caac.21601 ▶ https://academic.oup.com/jnci/article/109/8/djw322/3053481?login=false ▶ https://www.acpjournals.org/doi/10.7326/0003-4819-150-1-200901060-00306 ▶ https://pmc.ncbi.nlm.nih.gov/articles/PMC9036624/ ▶ https://pubmed.ncbi.nlm.nih.gov/19765672/
14min•Jan 19, 2026
02 Five Clues Your Body Is Stuck in the Inflammation Trap (and How to Break Free)

02 Five Clues Your Body Is Stuck in the Inflammation Trap (and How to Break Free)

If you're always feeling tired, achy, or suffering from brain fog, it's likely due to chronic inflammation. But the root cause isn't in your joints, muscles, or brain. It's all about what we eat, and how that food interacts with our incredibly complex gut microbiome. This week on The Gut Insiders podcast, Chuck and Dr. B break down the 5 clues signaling the inflammation trap, and the best ways to break free from the cycle. Dr. B's new book, "Plant Powered Plus," is available now: https://www.amazon.com/Plant-Powered-Plus-Activate-Inflammation/dp/B0FNDSR2C5Subscribe to The Gut Insiders wherever you get your podcasts:🍎 https://apple.co/4qqHK33🟢 https://bit.ly/4q93399Follow Dr. B on Instagram: https://www.instagram.com/theguthealthmd/Learn more about the evidence-based gut health formulas in 38TERA: https://38tera.com Hosted by Chuck Carroll and Dr. Will Bulsiewicz Produced by Chuck Carroll & Matt Silverman Edited by Matt Silverman
48min•Jan 13, 2026
Chronic Inflammation Is Aging You. Here's How to Take Control

Chronic Inflammation Is Aging You. Here's How to Take Control

Aging is often described as "inevitable," and while we can't change time, we absolutely can affect how we *feel* as we age.If you're tired of brain fog, fatigue, achy joints, and poor sleep, the solution might be in your intestines.These are 3 science-backed ways to slow your biological age, and it's never too late to start!
13min•Jan 8, 2026
30 Plants Per Week: The Key to Gut Health (and Why Most People Fail)

30 Plants Per Week: The Key to Gut Health (and Why Most People Fail)

If you're ready improve your gut microbiome by eating 30 different plants per week, the first 7 days determine everything, and they're your best chance to create momentum. BUT: 70% of people make the mistake of going too fast. They get bloated, feel miserable, and quit. Here's why your health journey will be different. Written and hosted by Dr. Will Bulsiewicz Produced by Matt Silverman Edited by Avital Oehler
11min•Jan 8, 2026
Stop Wasting Money on Probiotics. Here's What Actually Works.

Stop Wasting Money on Probiotics. Here's What Actually Works.

For the first 10 years of my career as a gastroenterologist, I prescribed probiotics the way I was taught in medical school — generically, without strain specificity, without proper dosing. And honestly? Most of my patients saw zero results. Then I dove into the actual research—and what I found made me angry. These are the things the probiotics industry doesn't want you to hear. Written and hosted by Dr. Will Bulsiewicz Produced by Matt Silverman Edited by Avital Oehler
12min•Jan 8, 2026
01 The Science of Farts and What They Say About Our Health (The Gut Insiders)

01 The Science of Farts and What They Say About Our Health (The Gut Insiders)

Farts! We all do it. But it doesn't take a scientist to know that they're not all created equal - especially when it comes to the sniff test. What can the chemistry of gas tell us about our diet and health? And what changes can we make to ensure our "air biscuits" are slient but less deadly? In the first episode of The Gut Insiders podcast, our hosts Chuck Carroll and gastroenterologist Dr. Will Bulsiewicz sit down to investigate the science of farts. Hosted by Chuck Carroll and Dr. Will Bulsiewicz Produced by Chuck Carroll & Matt Silverman Edited by Matt Silverman
1h 0min•Dec 29, 2025
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